306400000064 has 28 divisors (see below), whose sum is σ = 608030280000. Its totient is φ = 153195520128.

The previous prime is 306400000051. The next prime is 306400000069. The reversal of 306400000064 is 460000004603.

It is a junction number, because it is equal to n+sod(n) for n = 306399999985 and 306400000039.

It is not an unprimeable number, because it can be changed into a prime (306400000069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3761237 + ... + 3841835.

Almost surely, 2^306400000064 is an apocalyptic number.

It is an amenable number.

306400000064 is a deficient number, since it is larger than the sum of its proper divisors (301630279936).

306400000064 is an equidigital number, since it uses as much as digits as its factorization.

306400000064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140010 (or 140000 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 306400000064 its reverse (460000004603), we get a palindrome (766400004667).

The spelling of 306400000064 in words is "three hundred six billion, four hundred million, sixty-four", and thus it is an aban number.